Home / 56,498.10-77,967.36-31,347.60

Finding the Fourth Proportional to 56,498.10, 77,967.36 and 31,347.60

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Solution

The fourth proportional to 56,498.10, 77,967.36 and 31,347.60 is: 43,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,498.10 : 77,967.36 = 31,347.60 : x
  2. Step 2: Convert to fraction form
    56,498.10/77,967.36 = 31,347.60/x
  3. Step 3: Cross multiply
    56,498.10x = 77,967.36 × 31,347.60
  4. Step 4: Simplify right side
    56,498.10x = 2,444,089,614.34
  5. Step 5: Solve for x
    x = 2,444,089,614.34/56,498.10
  6. Step 6: Final answer
    x = 43,259.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.